Rehman Malik has said terrorists can strike on Eid days in Sindh, Punjab Balochistan.
The interior minister says terrorists can strike on the occasion of Eid and security agencies have been put on high alert.
He apologised to public in advance in case mobile phone services had to be blocked in certain areas in case of emergency.
No negligence would be tolerated by the law enforcement and security agencies, he said.
His said his team was working 24 hours a days.